body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td {
    margin: 0;
    padding: 0; 
}

body,
button,
input,
select,
textarea {
    font: 14px/1.231 'Microsoft YaHei', Helvetica, sans-serif; 
    color: #333
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
}


ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;   
    color: #333
}
.clearfix::after{
    content:"";
    display: block;
    clear:both;
    height:0;
    visibility: hidden;
}